Re: Flash-R/Sandisk read-write
in response to
by
Message: Flash-R
SanDisk memory cards read/write speed change
Why do some Extreme III and IV cards have different read and write speed, also, what is the difference between SDCFX3-4096 and SDCFX3-004G?
SanDisk has recently increased the speed of the Ultra II, Extreme III, and Extreme IV memory cards.
|
Old Speed |
New Speed |
|
|
Ultra II |
10MB/s |
15MB/s |
|
Extreme III |
20MB/s |
30MB/s |
|
Extreme IV |
40MB/s |
45MB/s |
The following is a sample list of cards that have had a speed bump and what the new product code will look like compared to the old product number. The only change will be the capacity portion of the code.
Ultra II SDHC cards
|
Old Product Number |
New Product Number |
|
SDSDRH-4096 (10MB/s) |
SDSDRH-004G (15MB/s) |
|
SDSDRH-8192 (10MB/s) |
SDSDRH-008G (15MB/s) |
Extreme III SDHC cards
|
Old Product Number |
New Product Number |
|
SDSDX3-4096 (20MB/s) |
SDSDX3-004G (30MB/s) |
|
SDSDX3-8192 (20MB/s) |
SDSDX3-008G (30MB/s) |
Ultra II CompactFlash cards
|
Old Product Number |
New Product Number |
|
SDCFH-4096 (10MB/s) |
SDCFH-004G (15MB/s) |
|
SDCFH-8192 (10MB/s) |
SDCFH-008G (15MB/s) |
Extreme III CompactFlash cards
|
Old Product Number |
New Product Number |
|
SDCFX3-4096 (20MB/s) |
SDCFX3-004G (30MB/s) |
|
SDCFX3-8192 (20MB/s) |
SDCFX3-008G (30MB/s) |
|
SDCFX3-16384 (20MB/s) |
SDCFX3-016G (30MB/s) |
In addition, the new higher speed Ultra II, Extreme III and Extreme IV cards will have their speed rating on the front label of the card. Below are sample images of the new higher speed cards.
|
|
|
|
|
|
| SDSDRH-008G |
SDCFH-008G |
SDSDX3-008G |
SDCFX3-008G |
SDCFX4-008G |
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